"That's the best performance we've seen from a player so far at these championships. Troicki's problems started when he was broken at the beginning. He broke back, but once the first set was out of the way at 6-3, Djokovic stepped up another level," Becker told the BBC.
Boris Becker praises Novak Djokovic
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Former world number one Boris Becker praises the performance of Novak Djokovic following his fourth-round win over Viktor Troicki.
Djokovic: "I played really well">